
import {
	Blob,
	btoa,
	createImageBitmap,
	CSSStyleDeclaration,
	performance,
	document,
	DOMParser,
	EventTarget,
	fetch,
	Headers,
	HTMLCanvasElement,
Image,
	HTMLImageElement,
	ImageBitmap,
	location,
	navigator,
	Request,
	requestAnimationFrame,
	cancelAnimationFrame,
	Response,
	URL,
	window,
	self,
	WebAssembly,
	Worker,
	XMLHttpRequest,
ImageData,
TextDecoder,
	core
	} from 'dhtml-weixin';
import {
EventDispatcher,
MOUSE,
Quaternion,
Spherical,
TOUCH,
Vector2,
Vector3
} from '../../../three/Three';
/**
* @author qiao / https://github.com/qiao
* @author mrdoob / http://mrdoob.com
* @author alteredq / http://alteredqualia.com/
* @author WestLangley / http://github.com/WestLangley
* @author erich666 / http://erichaines.com
* @author ScieCode / http://github.com/sciecode
*/


// This set of controls performs orbiting, dollying (zooming), and panning.
// Unlike TrackballControls, it maintains the "up" direction object.up (+Y by default).
//
//    Orbit - left mouse / touch: one-finger move
//    Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish
//    Pan - right mouse, or left mouse + ctrl/meta/shiftKey, or arrow keys / touch: two-finger move

var OrbitControls = function ( object, domElement ) {

if ( domElement === undefined ) console.warn( 'THREE.OrbitControls: The second parameter "domElement" is now mandatory.' );
if ( domElement === document ) console.error( 'THREE.OrbitControls: "document" should not be used as the target "domElement". Please use "renderer.domElement" instead.' );

this.object = object;
this.domElement = domElement;

// Set to false to disable this control
this.enabled = true;

// "target" sets the location of focus, where the object orbits around
this.target = new Vector3();

// How far you can dolly in and out ( PerspectiveCamera only )
this.minDistance = 0;
this.maxDistance = Infinity;

// How far you can zoom in and out ( OrthographicCamera only )
this.minZoom = 0;
this.maxZoom = Infinity;

// How far you can orbit vertically, upper and lower limits.
// Range is 0 to Math.PI radians.
this.minPolarAngle = 0; // radians
this.maxPolarAngle = Math.PI; // radians

// How far you can orbit horizontally, upper and lower limits.
// If set, must be a sub-interval of the interval [ - Math.PI, Math.PI ].
this.minAzimuthAngle = - Infinity; // radians
this.maxAzimuthAngle = Infinity; // radians

// Set to true to enable damping (inertia)
// If damping is enabled, you must call controls.update() in your animation loop
this.enableDamping = false;
this.dampingFactor = 0.05;

// This option actually enables dollying in and out; left as "zoom" for backwards compatibility.
// Set to false to disable zooming
this.enableZoom = true;
this.zoomSpeed = 1.0;

// Set to false to disable rotating
this.enableRotate = true;
this.rotateSpeed = 1.5;

// Set to false to disable panning
this.enablePan = true;
this.panSpeed = 3.0;
this.screenSpacePanning = false; // if true, pan in screen-space
this.keyPanSpeed = 7.0;	// pixels moved per arrow key push

// Set to true to automatically rotate around the target
// If auto-rotate is enabled, you must call controls.update() in your animation loop
this.autoRotate = false;
this.autoRotateSpeed = 2.0; // 30 seconds per round when fps is 60

// Set to false to disable use of the keys
this.enableKeys = true;

// The four arrow keys
this.keys = { LEFT: 37, UP: 38, RIGHT: 39, BOTTOM: 40 };

// Mouse buttons
this.mouseButtons = { LEFT: MOUSE.ROTATE, MIDDLE: MOUSE.DOLLY, RIGHT: MOUSE.PAN };

// Touch fingers
this.touches = { ONE: TOUCH.ROTATE, TWO: TOUCH.DOLLY_PAN };

// for reset
this.target0 = this.target.clone();
this.position0 = this.object.position.clone();
this.zoom0 = this.object.zoom;

//
// public methods
//

this.getPolarAngle = function () {

	return spherical.phi;

};

this.getAzimuthalAngle = function () {

	return spherical.theta;

};

this.saveState = function () {

	scope.target0.copy( scope.target );
	scope.position0.copy( scope.object.position );
	scope.zoom0 = scope.object.zoom;

};

this.reset = function () {

	scope.target.copy( scope.target0 );
	scope.object.position.copy( scope.position0 );
	scope.object.zoom = scope.zoom0;

	scope.object.updateProjectionMatrix();
	scope.dispatchEvent( changeEvent );

	scope.update();

	state = STATE.NONE;

};

// this method is exposed, but perhaps it would be better if we can make it private...
this.update = function () {

	var offset = new Vector3();

	// so camera.up is the orbit axis
	var quat = new Quaternion().setFromUnitVectors( object.up, new Vector3( 0, 1, 0 ) );
	var quatInverse = quat.clone().invert();

	var lastPosition = new Vector3();
	var lastQuaternion = new Quaternion();

	return function update() {

		var position = scope.object.position;

		offset.copy( position ).sub( scope.target );

		// rotate offset to "y-axis-is-up" space
		offset.applyQuaternion( quat );

		// angle from z-axis around y-axis
		spherical.setFromVector3( offset );

		if ( scope.autoRotate && state === STATE.NONE ) {

			rotateLeft( getAutoRotationAngle() );

		}

		if ( scope.enableDamping ) {

			spherical.theta += sphericalDelta.theta * scope.dampingFactor;
			spherical.phi += sphericalDelta.phi * scope.dampingFactor;

		} else {

			spherical.theta += sphericalDelta.theta;
			spherical.phi += sphericalDelta.phi;

		}

		// restrict theta to be between desired limits
		spherical.theta = Math.max( scope.minAzimuthAngle, Math.min( scope.maxAzimuthAngle, spherical.theta ) );

		// restrict phi to be between desired limits
		spherical.phi = Math.max( scope.minPolarAngle, Math.min( scope.maxPolarAngle, spherical.phi ) );

		spherical.makeSafe();


		spherical.radius *= scale;

		// restrict radius to be between desired limits
		spherical.radius = Math.max( scope.minDistance, Math.min( scope.maxDistance, spherical.radius ) );

		// move target to panned location

		if ( scope.enableDamping === true ) {

			scope.target.addScaledVector( panOffset, scope.dampingFactor );

		} else {

			scope.target.add( panOffset );

		}

		offset.setFromSpherical( spherical );

		// rotate offset back to "camera-up-vector-is-up" space
		offset.applyQuaternion( quatInverse );

		position.copy( scope.target ).add( offset );

		scope.object.lookAt( scope.target );

		if ( scope.enableDamping === true ) {

			sphericalDelta.theta *= ( 1 - scope.dampingFactor );
			sphericalDelta.phi *= ( 1 - scope.dampingFactor );

			panOffset.multiplyScalar( 1 - scope.dampingFactor );

		} else {

			sphericalDelta.set( 0, 0, 0 );

			panOffset.set( 0, 0, 0 );

		}

		scale = 1;

		// update condition is:
		// min(camera displacement, camera rotation in radians)^2 > EPS
		// using small-angle approximation cos(x/2) = 1 - x^2 / 8

		if ( zoomChanged ||
			lastPosition.distanceToSquared( scope.object.position ) > EPS ||
			8 * ( 1 - lastQuaternion.dot( scope.object.quaternion ) ) > EPS ) {

			scope.dispatchEvent( changeEvent );

			lastPosition.copy( scope.object.position );
			lastQuaternion.copy( scope.object.quaternion );
			zoomChanged = false;

			return true;

		}

		return false;

	};

}();

this.dispose = function () {

	scope.domElement.removeEventListener( 'contextmenu', onContextMenu, false );
	scope.domElement.removeEventListener( 'mousedown', onMouseDown, false );
	scope.domElement.removeEventListener( 'wheel', onMouseWheel, false );

	scope.domElement.removeEventListener( 'touchstart', onTouchStart, false );
	scope.domElement.removeEventListener( 'touchend', onTouchEnd, false );
	scope.domElement.removeEventListener( 'touchmove', onTouchMove, false );

	document.removeEventListener( 'mousemove', onMouseMove, false );
	document.removeEventListener( 'mouseup', onMouseUp, false );

	scope.domElement.removeEventListener( 'keydown', onKeyDown, false );

	//scope.dispatchEvent( { type: 'dispose' } ); // should this be added here?

};

//
// internals
//

var scope = this;

var changeEvent = { type: 'change' };
var startEvent = { type: 'start' };
var endEvent = { type: 'end' };

var STATE = {
	NONE: - 1,
	ROTATE: 0,
	DOLLY: 1,
	PAN: 2,
	TOUCH_ROTATE: 3,
	TOUCH_PAN: 4,
	TOUCH_DOLLY_PAN: 5,
	TOUCH_DOLLY_ROTATE: 6
};

var state = STATE.NONE;

var EPS = 0.000001;

// current position in spherical coordinates
var spherical = new Spherical();
var sphericalDelta = new Spherical();

var scale = 1;
var panOffset = new Vector3();
var zoomChanged = false;

var rotateStart = new Vector2();
var rotateEnd = new Vector2();
var rotateDelta = new Vector2();

var panStart = new Vector2();
var panEnd = new Vector2();
var panDelta = new Vector2();

var dollyStart = new Vector2();
var dollyEnd = new Vector2();
var dollyDelta = new Vector2();

function getAutoRotationAngle() {

	return 2 * Math.PI / 60 / 60 * scope.autoRotateSpeed;

}

function getZoomScale() {

	return Math.pow( 0.95, scope.zoomSpeed );

}

function rotateLeft( angle ) {

	sphericalDelta.theta -= angle;

}

function rotateUp( angle ) {

	sphericalDelta.phi -= angle;

}

var panLeft = function () {

	var v = new Vector3();

	return function panLeft( distance, objectMatrix ) {

		v.setFromMatrixColumn( objectMatrix, 0 ); // get X column of objectMatrix
		v.multiplyScalar( - distance );

		panOffset.add( v );

	};

}();

var panUp = function () {

	var v = new Vector3();

	return function panUp( distance, objectMatrix ) {

		if ( scope.screenSpacePanning === true ) {

			v.setFromMatrixColumn( objectMatrix, 1 );

		} else {

			v.setFromMatrixColumn( objectMatrix, 0 );
			v.crossVectors( scope.object.up, v );

		}

		v.multiplyScalar( distance );

		panOffset.add( v );

	};

}();

// deltaX and deltaY are in pixels; right and down are positive
var pan = function () {

	var offset = new Vector3();

	return function pan( deltaX, deltaY ) {

		var element = scope.domElement;

		if ( scope.object.isPerspectiveCamera ) {

			// perspective
			var position = scope.object.position;
			offset.copy( position ).sub( scope.target );
			var targetDistance = offset.length();

			// half of the fov is center to top of screen
			targetDistance *= Math.tan( ( scope.object.fov / 2 ) * Math.PI / 180.0 );

			// we use only clientHeight here so aspect ratio does not distort speed
			panLeft(  deltaX * targetDistance / element.clientHeight, scope.object.matrix );
			panUp(  deltaY * targetDistance / element.clientHeight, scope.object.matrix );

		} else if ( scope.object.isOrthographicCamera ) {

			// orthographic
			panLeft( deltaX * ( scope.object.right - scope.object.left ) / scope.object.zoom / element.clientWidth, scope.object.matrix );
			panUp( deltaY * ( scope.object.top - scope.object.bottom ) / scope.object.zoom / element.clientHeight, scope.object.matrix );

		} else {

			// camera neither orthographic nor perspective
			console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.' );
			scope.enablePan = false;

		}

	};

}();

function dollyIn( dollyScale ) {

	if ( scope.object.isPerspectiveCamera ) {

		scale /= dollyScale;

	} else if ( scope.object.isOrthographicCamera ) {

		scope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom * dollyScale ) );
		scope.object.updateProjectionMatrix();
		zoomChanged = true;

	} else {

		console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );
		scope.enableZoom = false;

	}

}

function dollyOut( dollyScale ) {

	if ( scope.object.isPerspectiveCamera ) {

		scale *= dollyScale;

	} else if ( scope.object.isOrthographicCamera ) {

		scope.object.zoom = Math.max( scope.minZoom, Math.min( scope.maxZoom, scope.object.zoom / dollyScale ) );
		scope.object.updateProjectionMatrix();
		zoomChanged = true;

	} else {

		console.warn( 'WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.' );
		scope.enableZoom = false;

	}

}

//
// event callbacks - update the object state
//

function handleMouseDownRotate( event ) {

	rotateStart.set( event.clientX, event.clientY );

}

function handleMouseDownDolly( event ) {

	dollyStart.set( event.clientX, event.clientY );

}

function handleMouseDownPan( event ) {

	panStart.set( event.clientX, event.clientY );

}

function handleMouseMoveRotate( event ) {

	rotateEnd.set( event.clientX, event.clientY );

	rotateDelta.subVectors( rotateEnd, rotateStart ).multiplyScalar( scope.rotateSpeed );

	var element = scope.domElement;

	rotateLeft( 2 * Math.PI * rotateDelta.x / element.clientHeight ); // yes, height

	rotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight );

	rotateStart.copy( rotateEnd );

	scope.update();

}

function handleMouseMoveDolly( event ) {

	dollyEnd.set( event.clientX, event.clientY );

	dollyDelta.subVectors( dollyEnd, dollyStart );

	if ( dollyDelta.y > 0 ) {

		dollyIn( getZoomScale() );

	} else if ( dollyDelta.y < 0 ) {

		dollyOut( getZoomScale() );

	}

	dollyStart.copy( dollyEnd );

	scope.update();

}

function handleMouseMovePan( event ) {

	panEnd.set( event.clientX, event.clientY );

	panDelta.subVectors( panEnd, panStart ).multiplyScalar( scope.panSpeed );

	pan( panDelta.x, panDelta.y );

	panStart.copy( panEnd );

	scope.update();

}

function handleMouseUp( /*event*/ ) {

	// no-op

}

function handleMouseWheel( event ) {

	if ( event.deltaY < 0 ) {

		dollyOut( getZoomScale() );

	} else if ( event.deltaY > 0 ) {

		dollyIn( getZoomScale() );

	}

	scope.update();

}

function handleKeyDown( event ) {

	var needsUpdate = false;

	switch ( event.keyCode ) {

		case scope.keys.UP:
			pan( 0, scope.keyPanSpeed );
			needsUpdate = true;
			break;

		case scope.keys.BOTTOM:
			pan( 0, - scope.keyPanSpeed );
			needsUpdate = true;
			break;

		case scope.keys.LEFT:
			pan( scope.keyPanSpeed, 0 );
			needsUpdate = true;
			break;

		case scope.keys.RIGHT:
			pan( - scope.keyPanSpeed, 0 );
			needsUpdate = true;
			break;

	}

	if ( needsUpdate ) {

		// prevent the browser from scrolling on cursor keys
		event.preventDefault();

		scope.update();

	}


}

function handleTouchStartRotate( event ) {

	if ( event.touches.length == 1 ) {

		rotateStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );

	} else {

		var x = 0.5 * ( event.touches[ 0 ].pageX + event.touches[ 1 ].pageX );
		var y = 0.5 * ( event.touches[ 0 ].pageY + event.touches[ 1 ].pageY );

		rotateStart.set( x, y );

	}

}

function handleTouchStartPan( event ) {

	if ( event.touches.length == 1 ) {

		panStart.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );

	} else {

		var x = 0.5 * ( event.touches[ 0 ].pageX + event.touches[ 1 ].pageX );
		var y = 0.5 * ( event.touches[ 0 ].pageY + event.touches[ 1 ].pageY );

		panStart.set( x, y );

	}

}

function handleTouchStartDolly( event ) {

	var dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX;
	var dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY;

	var distance = Math.sqrt( dx * dx + dy * dy );

	dollyStart.set( 0, distance );

}

function handleTouchStartDollyPan( event ) {

	if ( scope.enableZoom ) handleTouchStartDolly( event );

	if ( scope.enablePan ) handleTouchStartPan( event );

}

function handleTouchStartDollyRotate( event ) {

	if ( scope.enableZoom ) handleTouchStartDolly( event );

	if ( scope.enableRotate ) handleTouchStartRotate( event );

}

function handleTouchMoveRotate( event ) {

	if ( event.touches.length == 1 ) {

		rotateEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );

	} else {

		var x = 0.5 * ( event.touches[ 0 ].pageX + event.touches[ 1 ].pageX );
		var y = 0.5 * ( event.touches[ 0 ].pageY + event.touches[ 1 ].pageY );

		rotateEnd.set( x, y );

	}

	rotateDelta.subVectors( rotateEnd, rotateStart ).multiplyScalar( scope.rotateSpeed );

	var element = scope.domElement;

	rotateLeft( 2 * Math.PI * rotateDelta.x / element.clientHeight ); // yes, height

	rotateUp( 2 * Math.PI * rotateDelta.y / element.clientHeight );

	rotateStart.copy( rotateEnd );

}

function handleTouchMovePan( event ) {

	if ( event.touches.length == 1 ) {

		panEnd.set( event.touches[ 0 ].pageX, event.touches[ 0 ].pageY );

	} else {

		var x = 0.5 * ( event.touches[ 0 ].pageX + event.touches[ 1 ].pageX );
		var y = 0.5 * ( event.touches[ 0 ].pageY + event.touches[ 1 ].pageY );

		panEnd.set( x, y );

	}

	panDelta.subVectors( panEnd, panStart ).multiplyScalar( scope.panSpeed );

	pan( panDelta.x, panDelta.y );

	panStart.copy( panEnd );

}

function handleTouchMoveDolly( event ) {

	var dx = event.touches[ 0 ].pageX - event.touches[ 1 ].pageX;
	var dy = event.touches[ 0 ].pageY - event.touches[ 1 ].pageY;

	var distance = Math.sqrt( dx * dx + dy * dy );

	dollyEnd.set( 0, distance );

	dollyDelta.set( 0, Math.pow( dollyEnd.y / dollyStart.y, scope.zoomSpeed ) );

	dollyIn( dollyDelta.y );

	dollyStart.copy( dollyEnd );

}

function handleTouchMoveDollyPan( event ) {

	if ( scope.enableZoom ) handleTouchMoveDolly( event );

	if ( scope.enablePan ) handleTouchMovePan( event );

}

function handleTouchMoveDollyRotate( event ) {

	if ( scope.enableZoom ) handleTouchMoveDolly( event );

	if ( scope.enableRotate ) handleTouchMoveRotate( event );

}

function handleTouchEnd( /*event*/ ) {

	// no-op

}

//
// event handlers - FSM: listen for events and reset state
//

function onMouseDown( event ) {

	if ( scope.enabled === false ) return;

	// Prevent the browser from scrolling.

	event.preventDefault();

	// Manually set the focus since calling preventDefault above
	// prevents the browser from setting it automatically.

	scope.domElement.focus ? scope.domElement.focus() : window.focus();

	switch ( event.button ) {

		case 0:

			switch ( scope.mouseButtons.LEFT ) {

				case MOUSE.ROTATE:

					if ( event.ctrlKey || event.metaKey || event.shiftKey ) {

						if ( scope.enablePan === false ) return;

						handleMouseDownPan( event );

						state = STATE.PAN;

					} else {

						if ( scope.enableRotate === false ) return;

						handleMouseDownRotate( event );

						state = STATE.ROTATE;

					}

					break;

				case MOUSE.PAN:

					if ( event.ctrlKey || event.metaKey || event.shiftKey ) {

						if ( scope.enableRotate === false ) return;

						handleMouseDownRotate( event );

						state = STATE.ROTATE;

					} else {

						if ( scope.enablePan === false ) return;

						handleMouseDownPan( event );

						state = STATE.PAN;

					}

					break;

				default:

					state = STATE.NONE;

			}

			break;


		case 1:

			switch ( scope.mouseButtons.MIDDLE ) {

				case MOUSE.DOLLY:

					if ( scope.enableZoom === false ) return;

					handleMouseDownDolly( event );

					state = STATE.DOLLY;

					break;


				default:

					state = STATE.NONE;

			}

			break;

		case 2:

			switch ( scope.mouseButtons.RIGHT ) {

				case MOUSE.ROTATE:

					if ( scope.enableRotate === false ) return;

					handleMouseDownRotate( event );

					state = STATE.ROTATE;

					break;

				case MOUSE.PAN:

					if ( scope.enablePan === false ) return;

					handleMouseDownPan( event );

					state = STATE.PAN;

					break;

				default:

					state = STATE.NONE;

			}

			break;

	}

	if ( state !== STATE.NONE ) {

		document.addEventListener( 'mousemove', onMouseMove, false );
		document.addEventListener( 'mouseup', onMouseUp, false );

		scope.dispatchEvent( startEvent );

	}

}

function onMouseMove( event ) {

	if ( scope.enabled === false ) return;

	event.preventDefault();

	switch ( state ) {

		case STATE.ROTATE:

			if ( scope.enableRotate === false ) return;

			handleMouseMoveRotate( event );

			break;

		case STATE.DOLLY:

			if ( scope.enableZoom === false ) return;

			handleMouseMoveDolly( event );

			break;

		case STATE.PAN:

			if ( scope.enablePan === false ) return;

			handleMouseMovePan( event );

			break;

	}

}

function onMouseUp( event ) {

	if ( scope.enabled === false ) return;

	handleMouseUp( event );

	document.removeEventListener( 'mousemove', onMouseMove, false );
	document.removeEventListener( 'mouseup', onMouseUp, false );

	scope.dispatchEvent( endEvent );

	state = STATE.NONE;

}

function onMouseWheel( event ) {

	if ( scope.enabled === false || scope.enableZoom === false || ( state !== STATE.NONE && state !== STATE.ROTATE ) ) return;

	event.preventDefault();
	event.stopPropagation();

	scope.dispatchEvent( startEvent );

	handleMouseWheel( event );

	scope.dispatchEvent( endEvent );

}

function onKeyDown( event ) {

	if ( scope.enabled === false || scope.enableKeys === false || scope.enablePan === false ) return;

	handleKeyDown( event );

}

function onTouchStart( event ) {

	if ( scope.enabled === false ) return;

	event.preventDefault();

	switch ( event.touches.length ) {

		case 1:

			switch ( scope.touches.ONE ) {

				case TOUCH.ROTATE:

					if ( scope.enableRotate === false ) return;

					handleTouchStartRotate( event );

					state = STATE.TOUCH_ROTATE;

					break;

				case TOUCH.PAN:

					if ( scope.enablePan === false ) return;

					handleTouchStartPan( event );

					state = STATE.TOUCH_PAN;

					break;

				default:

					state = STATE.NONE;

			}

			break;

		case 2:

			switch ( scope.touches.TWO ) {

				case TOUCH.DOLLY_PAN:

					if ( scope.enableZoom === false && scope.enablePan === false ) return;

					handleTouchStartDollyPan( event );

					state = STATE.TOUCH_DOLLY_PAN;

					break;

				case TOUCH.DOLLY_ROTATE:

					if ( scope.enableZoom === false && scope.enableRotate === false ) return;

					handleTouchStartDollyRotate( event );

					state = STATE.TOUCH_DOLLY_ROTATE;

					break;

				default:

					state = STATE.NONE;

			}

			break;

		default:

			state = STATE.NONE;

	}

	if ( state !== STATE.NONE ) {

		scope.dispatchEvent( startEvent );

	}

}

function onTouchMove( event ) {

	if ( scope.enabled === false ) return;

	event.preventDefault();
	event.stopPropagation();

	switch ( state ) {

		case STATE.TOUCH_ROTATE:

			if ( scope.enableRotate === false ) return;

			handleTouchMoveRotate( event );

			scope.update();

			break;

		case STATE.TOUCH_PAN:

			if ( scope.enablePan === false ) return;

			handleTouchMovePan( event );

			scope.update();

			break;

		case STATE.TOUCH_DOLLY_PAN:

			if ( scope.enableZoom === false && scope.enablePan === false ) return;

			handleTouchMoveDollyPan( event );

			scope.update();

			break;

		case STATE.TOUCH_DOLLY_ROTATE:

			if ( scope.enableZoom === false && scope.enableRotate === false ) return;

			handleTouchMoveDollyRotate( event );

			scope.update();

			break;

		default:

			state = STATE.NONE;

	}

}

function onTouchEnd( event ) {

	if ( scope.enabled === false ) return;

	handleTouchEnd( event );

	scope.dispatchEvent( endEvent );

	state = STATE.NONE;

}

function onContextMenu( event ) {

	if ( scope.enabled === false ) return;

	event.preventDefault();

}

//

scope.domElement.addEventListener( 'contextmenu', onContextMenu, false );

scope.domElement.addEventListener( 'mousedown', onMouseDown, false );
scope.domElement.addEventListener( 'wheel', onMouseWheel, false );

scope.domElement.addEventListener( 'touchstart', onTouchStart, false );
scope.domElement.addEventListener( 'touchend', onTouchEnd, false );
scope.domElement.addEventListener( 'touchmove', onTouchMove, false );

scope.domElement.addEventListener( 'keydown', onKeyDown, false );

// make sure element can receive keys.

if ( scope.domElement.tabIndex === - 1 ) {

	scope.domElement.tabIndex = 0;

}

// force an update at start

this.update();

};

OrbitControls.prototype = Object.create( EventDispatcher.prototype );
OrbitControls.prototype.constructor = OrbitControls;


// This set of controls performs orbiting, dollying (zooming), and panning.
// Unlike TrackballControls, it maintains the "up" direction object.up (+Y by default).
// This is very similar to OrbitControls, another set of touch behavior
//
//    Orbit - right mouse, or left mouse + ctrl/meta/shiftKey / touch: two-finger rotate
//    Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish
//    Pan - left mouse, or arrow keys / touch: one-finger move

var MapControls = function ( object, domElement ) {

OrbitControls.call( this, object, domElement );

this.mouseButtons.LEFT = MOUSE.PAN;
this.mouseButtons.RIGHT = MOUSE.ROTATE;

this.touches.ONE = TOUCH.PAN;
this.touches.TWO = TOUCH.DOLLY_ROTATE;

};

MapControls.prototype = Object.create( EventDispatcher.prototype );
MapControls.prototype.constructor = MapControls;
const OrbitControls0 = OrbitControls
export { OrbitControls,OrbitControls0, MapControls };